EP2749364A4 - Method and device for confirming press molded product springback countermeasure effect - Google Patents
Method and device for confirming press molded product springback countermeasure effectInfo
- Publication number
- EP2749364A4 EP2749364A4 EP12825292.1A EP12825292A EP2749364A4 EP 2749364 A4 EP2749364 A4 EP 2749364A4 EP 12825292 A EP12825292 A EP 12825292A EP 2749364 A4 EP2749364 A4 EP 2749364A4
- Authority
- EP
- European Patent Office
- Prior art keywords
- confirming
- molded product
- press molded
- countermeasure effect
- springback countermeasure
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
Classifications
-
- G—PHYSICS
- G05—CONTROLLING; REGULATING
- G05D—SYSTEMS FOR CONTROLLING OR REGULATING NON-ELECTRIC VARIABLES
- G05D15/00—Control of mechanical force or stress; Control of mechanical pressure
-
- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F30/00—Computer-aided design [CAD]
- G06F30/20—Design optimisation, verification or simulation
- G06F30/23—Design optimisation, verification or simulation using finite element methods [FEM] or finite difference methods [FDM]
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D—WORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS OR PROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D22/00—Shaping without cutting, by stamping, spinning, or deep-drawing
-
- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F2113/00—Details relating to the application field
- G06F2113/22—Moulding
-
- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F30/00—Computer-aided design [CAD]
- G06F30/10—Geometric CAD
- G06F30/15—Vehicle, aircraft or watercraft design
Landscapes
- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Theoretical Computer Science (AREA)
- General Physics & Mathematics (AREA)
- Computer Hardware Design (AREA)
- Evolutionary Computation (AREA)
- Geometry (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Automation & Control Theory (AREA)
- Shaping Metal By Deep-Drawing, Or The Like (AREA)
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2011180330A JP5821403B2 (en) | 2011-08-22 | 2011-08-22 | Method and apparatus for confirming springback countermeasure effect of press-formed product |
PCT/JP2012/005185 WO2013027378A1 (en) | 2011-08-22 | 2012-08-17 | Method and device for confirming press molded product springback countermeasure effect |
Publications (3)
Publication Number | Publication Date |
---|---|
EP2749364A1 EP2749364A1 (en) | 2014-07-02 |
EP2749364A4 true EP2749364A4 (en) | 2015-05-27 |
EP2749364B1 EP2749364B1 (en) | 2019-05-01 |
Family
ID=47746146
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP12825292.1A Not-in-force EP2749364B1 (en) | 2011-08-22 | 2012-08-17 | Method and device for confirming press molded product springback countermeasure effect |
Country Status (6)
Country | Link |
---|---|
US (1) | US20140172391A1 (en) |
EP (1) | EP2749364B1 (en) |
JP (1) | JP5821403B2 (en) |
KR (1) | KR101588263B1 (en) |
CN (1) | CN103747890B (en) |
WO (1) | WO2013027378A1 (en) |
Families Citing this family (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP6070066B2 (en) * | 2012-10-30 | 2017-02-01 | Jfeスチール株式会社 | Springback amount evaluation method |
JP5928488B2 (en) * | 2013-08-08 | 2016-06-01 | Jfeスチール株式会社 | Structure analysis method and apparatus |
JP6519639B1 (en) | 2017-12-07 | 2019-05-29 | Jfeスチール株式会社 | Springback amount fluctuation factor site identification method |
JP6683269B1 (en) | 2019-02-01 | 2020-04-15 | Jfeスチール株式会社 | Method for identifying the part that causes the springback variation |
JP6852750B2 (en) * | 2019-04-25 | 2021-03-31 | Jfeスチール株式会社 | Springback amount Dissociation factor Part identification method and device |
Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2007229724A (en) * | 2006-02-27 | 2007-09-13 | Jfe Steel Kk | Method of analyzing press forming |
EP1908539A1 (en) * | 2005-06-30 | 2008-04-09 | Nippon Steel Corporation | Method and device for designing member, computer program, and computer-readable recording medium |
JP2008087035A (en) * | 2006-10-02 | 2008-04-17 | Nippon Steel Corp | Method for specifying springback occurrence cause portion, its device and its program |
EP2058062A1 (en) * | 2006-08-31 | 2009-05-13 | Nippon Steel Corporation | Springback occurrence cause identifying method, springback influence degree display method, springback occurrence cause portion identifying method, springback measure position specifying method, their devices, and their programs |
EP2062663A1 (en) * | 2006-08-28 | 2009-05-27 | Toyota Jidosha Kabushiki Kaisha | Shape defect factor identification method, device, and program |
Family Cites Families (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US8234897B2 (en) * | 2006-01-13 | 2012-08-07 | Nippon Steel Corporation | Press-forming device and press-forming method |
JP4724626B2 (en) * | 2006-08-31 | 2011-07-13 | 新日本製鐵株式会社 | Springback occurrence cause identifying method, apparatus thereof, and program thereof |
JP4308239B2 (en) * | 2006-09-29 | 2009-08-05 | 新日本製鐵株式会社 | Springback influence display method, apparatus thereof, and program thereof |
JP4344375B2 (en) * | 2006-09-29 | 2009-10-14 | 新日本製鐵株式会社 | Springback occurrence cause identifying method, apparatus thereof, and program thereof |
JP2008142774A (en) * | 2006-11-14 | 2008-06-26 | Jfe Steel Kk | Method, system and program for stress-strain relation simulation, and recording medium recording the program |
JP4410833B2 (en) * | 2007-12-25 | 2010-02-03 | 新日本製鐵株式会社 | Springback generation cause analysis method, apparatus, program and recording medium |
TWI438041B (en) * | 2008-09-30 | 2014-05-21 | Nippon Steel & Sumitomo Metal Corp | Forming simulation method, forming simulation apparatus, forming simuration program and media for storing the program, and forming method using the simulation result |
EP2371464B1 (en) * | 2008-12-25 | 2018-12-05 | Nippon Steel & Sumitomo Metal Corporation | Method, device, program and recording medium of analyzing cause of springback |
JP5068783B2 (en) * | 2009-04-06 | 2012-11-07 | 新日本製鐵株式会社 | Springback occurrence cause identifying method, apparatus thereof, and program thereof |
-
2011
- 2011-08-22 JP JP2011180330A patent/JP5821403B2/en active Active
-
2012
- 2012-08-17 US US14/234,317 patent/US20140172391A1/en not_active Abandoned
- 2012-08-17 KR KR1020147002958A patent/KR101588263B1/en active IP Right Grant
- 2012-08-17 WO PCT/JP2012/005185 patent/WO2013027378A1/en active Application Filing
- 2012-08-17 CN CN201280040471.4A patent/CN103747890B/en active Active
- 2012-08-17 EP EP12825292.1A patent/EP2749364B1/en not_active Not-in-force
Patent Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP1908539A1 (en) * | 2005-06-30 | 2008-04-09 | Nippon Steel Corporation | Method and device for designing member, computer program, and computer-readable recording medium |
JP2007229724A (en) * | 2006-02-27 | 2007-09-13 | Jfe Steel Kk | Method of analyzing press forming |
EP2062663A1 (en) * | 2006-08-28 | 2009-05-27 | Toyota Jidosha Kabushiki Kaisha | Shape defect factor identification method, device, and program |
EP2058062A1 (en) * | 2006-08-31 | 2009-05-13 | Nippon Steel Corporation | Springback occurrence cause identifying method, springback influence degree display method, springback occurrence cause portion identifying method, springback measure position specifying method, their devices, and their programs |
JP2008087035A (en) * | 2006-10-02 | 2008-04-17 | Nippon Steel Corp | Method for specifying springback occurrence cause portion, its device and its program |
Non-Patent Citations (1)
Title |
---|
See also references of WO2013027378A1 * |
Also Published As
Publication number | Publication date |
---|---|
JP5821403B2 (en) | 2015-11-24 |
CN103747890B (en) | 2016-08-17 |
JP2013043182A (en) | 2013-03-04 |
KR20140040847A (en) | 2014-04-03 |
CN103747890A (en) | 2014-04-23 |
WO2013027378A1 (en) | 2013-02-28 |
EP2749364B1 (en) | 2019-05-01 |
EP2749364A1 (en) | 2014-07-02 |
KR101588263B1 (en) | 2016-01-25 |
US20140172391A1 (en) | 2014-06-19 |
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